Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos jogadores foram a escolha de draft para running back do New England Patriots?
 ###Tabelas: CREATE TABLE round_nine (round_nine_id AUTO_INCREMENT PRIMARY KEY, Pick # INT, NFL Team VARCHAR, Player VARCHAR, Position VARCHAR, College VARCHAR) CREATE TABLE former_conference_members (former_conference_members_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Location VARCHAR, Founded INT, Type VARCHAR, Enrollment INT, Nickname VARCHAR, Joined VARCHAR, Left VARCHAR, Current Conference VARCHAR) CREATE TABLE elite_men (elite_men_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Location VARCHAR, Gold VARCHAR, Silver VARCHAR, Bronze VARCHAR) CREATE TABLE alabama_counties_ranked_by_per_capita_income (alabama_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income 1,000,000 VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE politics (politics_id AUTO_INCREMENT PRIMARY KEY, Index VARCHAR, Organization VARCHAR, Year VARCHAR, Rank INT, Out of INT)  
SELECT COUNT Player FROM round_nine WHERE NFL Team = New England Patriots AND Position = Running back